Western Wildlife 8:27–29 • 2021 Submitted: 31 July 2021; Accepted: 5 August 2021. PEER EDITED NOTES NEW PREY ITEM OF THE BANDED ROCK RATTLESNAKE (CROTALUS LEPIDUS KLAUBERI) FROM SOUTHWESTERN COAHUILA DE ZARAGOZA, MEXICO RICARDO PALACIOS-AGUILAR1,3, VÍCTOR EDUARDO RODRÍGUEZ-MALDONADO2, 1,2 AND RUFINO SANTOS-BIBIANO 1Instituto para el Manejo y Conservación de la Biodiversidad A. C. Calle Durango 23, Colonia José Vasconcelos 39047, Chilpancingo de los Bravo, Guerrero, México 2Calle Teopan, Fraccionamiento Teocaltiche 87024, Ciudad Victoria, Tamaulipas, México 3Corresponding author, e-mail:
[email protected] Abstract.—We report for the first time the consumption of the Texas Banded Gecko (Coleonyx brevis) by the Banded Rock Rattlesnake (Crotalus lepidus klauberi) in southwestern Coahuila de Zaragoza, Mexico. We consider that this event might be more widespread given the broad sympatry of both species, albeit rarely documented. Key Words.—feeding; natural history; northwestern Mexico; Texas Banded Gecko Resumen.—Reportamos por primera vez el consumo del Gecko Bandeado de Texas (Coleonyx brevis) por la Cascabel Bandeada de Roca (Crotalus lepidus klauberi) en el suroeste de Coahuila de Zaragoza, México. Consideramos que este evento puede ser más común dada la amplia simpatría de ambas especies, pero rara vez documentado. Palabras Clave.—alimentación; Gecko Bandeado de Texas; historia natural; noroeste de México Diet is one of the most important aspects of organisms, On 17 September 2020, at 2136, we found an adult as it may vary within species, populations, and even male C. l. klauberi (Fig. 1) near the road between ontogenetically, and determines survival and life-history Ejido Vicente Guerrero and Tacubaya (25.61451°N, traits (Greene 1983, 1989; Beaupre 1995; Wiseman et al.